Vine. Pods pendulous. "Snake bean". Petals; standard pale green outside; wings and inside of standard pale mauve, the latter with purple spot near the base, the wing purple along upper edge; standard 2.4-2.8cm across, suborbicular; keel green. Pods pendent, to about 55cm long, terete except for shallow grooves between seeds. a popular vegetable in the Southern Cooks, especially Rarotonga. Not seen wild.